Constant error java.lang.NullPointerException in logs while starting the Server in Windchill RV&S (formerly Integrity Lifecycle Manager)

• Constant NullPointer Exceptions in Integrity server log while starting the Server

2021-08-16 03:56:45,785 ERROR [STDERR] Exception in thread "PTC - IMAdminCache Notifier-thread-6133" 
2021-08-16 03:56:45,785 ERROR [STDERR] java.lang.NullPointerException
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.beep.UbikLogAdapter.message(UbikLogAdapter.java:145)
2021-08-16 03:56:45,785 ERROR [STDERR] at org.sapia.ubik.rmi.server.Log.message(Log.java:89)
2021-08-16 03:56:45,785 ERROR [STDERR] at org.sapia.ubik.rmi.server.invocation.InvokeCommand.execute(InvokeCommand.java:178)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.mks.MksServer$1.call(MksServer.java:52)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.mks.RmiInvocationAction.call(RmiInvocationAction.java:162)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.mks.MksServer.executeCommand(MksServer.java:69)
2021-08-16 03:56:45,785 ERROR [STDERR] Exception in thread "PTC - IMAdminCache Notifier-thread-6162" 
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.beep.BeepServer$1.call(BeepServer.java:278)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.beep.BeepServer$1.call(BeepServer.java:273)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.ubik.transport.mks.RmiInvocationAction.call(RmiInvocationAction.java:162)
2021-08-16 03:56:45,785 ERROR [STDERR] at mks.rmi.RmiAuthenticationHandler$1.run(RmiAuthenticationHandler.java:94)
2021-08-16 03:56:45,785 ERROR [STDERR] at java.security.AccessController.doPrivileged(Native Method)
2021-08-16 03:56:45,785 ERROR [STDERR] at javax.security.auth.Subject.doAs(Unknown Source).............